I've got a problem when demolding a countertop. It bend when we lift it and now there's a little crack on each side of the sink but the crack don't go all the way down the slab. Here's some pictures. Can someone can tell me if there's anything to do or i should do it again?

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Hi Jonathan ,

did you use fiberglass mesh around the tap/sink hole and at the corners of the openings ? That would be my guess ... 

Jonathan said:

Yes i did but when demolding the countertop really bend about 6 inches. That's the problem. But i want to konw i there is something i can dl to fix the cracks?

Sorry but it needs to be re-cast.  There isn't a good long term fix.

If you really wanted to try you can try a flow-able epoxy 

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